Home / 8,684.12-13,027.80-2,839.16

Finding the Fourth Proportional to 8,684.12, 13,027.80 and 2,839.16

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Solution

The fourth proportional to 8,684.12, 13,027.80 and 2,839.16 is: 4,259.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,684.12 : 13,027.80 = 2,839.16 : x
  2. Step 2: Convert to fraction form
    8,684.12/13,027.80 = 2,839.16/x
  3. Step 3: Cross multiply
    8,684.12x = 13,027.80 × 2,839.16
  4. Step 4: Simplify right side
    8,684.12x = 36,988,008.65
  5. Step 5: Solve for x
    x = 36,988,008.65/8,684.12
  6. Step 6: Final answer
    x = 4,259.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.